/**
 * Copyright (c) 2009, Microsoft
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Microsoft nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Microsoft ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Microsoft BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category   Microsoft
 * @package    WebErrorPHPToolkit
 * @subpackage Error
 * @version    $Id: error_404.js, v 1.0 2009-10-09 08:00:00Z unknown $
 * @copyright  Copyright (c) 2009, Microsoft (http://www.microsoft.com)
 * @author     a-jetann
 *
 * This is the main PHP body, which is very simple script just gets the request URI
 * from the server variables, this will be the address of the page (relative to
 * the root of your site) that was requested, since this request has caused a
 * 404 error this could either be a page you have moved or a page that never existed.
 */
 
/**
 * Prepare upload of custom 404 page.
 */
function doUploadCustom404()
{
  try
  {
    if (!getValidElementById('Custom404BingEnabled', false) || !getValueByElementId('Custom404BingEnabled', false) ) 
    {
      return;
    }
      
    var errorDetailDiv = getValidElementById("errorDetail");    
    errorDetailDiv.style.display = "block";
    
    var searchBarDiv = getValidElementById("searchBar");    
    searchBarDiv.style.display = "block";
      
    var strBingSearchTerms = getBingSearchTerms();
    if (isNull(strBingSearchTerms) || !strBingSearchTerms.length)
    {
      showNoResults("resultListWeb", "Unavailable search request!");
      return;
    }
    
    searchBingJSON(strBingSearchTerms);
  }
  catch (ex)
  {
    debugAlert("doUploadCustom404: Exception: "+ex.name+": "+ex.message);
    throw(ex);
  }
}

/**
 * Perform search based upon some event.
 * 
 * @param who Event that triggered this request.
 * @return void.
 */
function searchBingRequest(who)
{
  try
  {
    // alert('searchBingRequest:'+who);
    if ((typeof searchBingJSON != 'undefined') && (typeof searchBingJSON == 'function'))
    {
        searchBingJSON(document.getElementById('SearchTerms').value);
    }
  }
  catch (ex)
  {
    alert("searchBingRequest: "+who+": Exception: "+ex.name+": "+ex.message);
    throw(ex);
  }
}

/**
 * Being search if key down is 'Enter'.
 *
 * @param evt Keydown Event that triggered this request.
 * @return void.
 */
function searchOnKeyDown(evt)
{
  try
  {
    var charCode = (evt.which) ? evt.which : event.keyCode;
    if(charCode == "13") // 13:Enter Key
    {
      searchBingRequest("onKeyDown");
    }
  }
  catch (ex)
  {
    alert("searchOnKeyDown: Exception: "+ex.name+": "+ex.message);
  }
}

/**
 * Upon loading this page, begin search.
 *
 * @return void.
 */
function setupSearchOnLoad()
{
  try
  {
    // alert('setupSearchOnLoad');
    if ((typeof doUploadCustom404 != 'undefined') && (typeof doUploadCustom404 == 'function'))
    {
      doUploadCustom404();
    }
  }
  catch (ex)
  {
    alert("setupSearchOnLoad: Exception: "+ex.name+": "+ex.message);
  }
}

